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Spectroscopy of the neutron-deficient nuclide 171Pt |
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| Authors: | T Bäck B Cederwall K Lagergren R Wyss A Johnson P Greenlees D Jenkins P Jones DT Joss R Julin S Juutinen A Keenan H Kettunen P Kuusiniemi M Leino A-P Leppänen M Muikku P Nieminen J Pakarinen P Rahkila J Uusitalo |
| Institution: | (1) Institute of Nuclear Research, Pf. 51, H-4001 Debrecen, Hungary, HU;(2) Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, United Kingdom, GB;(3) Institut des Sciences Nucléaires, IN2P3-CNRS/Université Joseph Fourier, F-38026, Grenoble Cedex, France, FR;(4) Dipartimento di Fisica and INFN, Sezione di Padova, I-35131 Padova, Italy, IT;(5) IPN Lyon, IN2P3-CNRS, Université C. Bernard Lyon-1, F-69622 Villeurbanne, France, FR;(6) Institut de Recherches Subatomiques, F-67037-Strasbourg, France, FR |
| Abstract: | The decay out of the πh 11/2νh 11/2 band to the known low-energy levels in 132La was studied using the reaction 100Mo + 36S at 160 MeV beam energy. The low-energy level scheme has been further developed and unambiguous spin and parity values have been assigned to the levels connecting the band to the 6- isomeric state. According to the new level scheme the spins in the πh 11/2νh 11/2 band are shifted up by one unit compared to the earlier tentative experimental values. The obtained new spins prove the existence of signature inversion in 132La and give further support to the spin assignments made for the πh 11/2νh 11/2 bands in the neighbouring odd-odd La isotopes from level energy systematics. Received: 7 May 2002 / Accepted: 31 October 2002 / Published online: 17 January 2003 RID="a" ID="a"e-mail: timar@atomki.hu RID="b" ID="b"Present address: Dipartimento di Matematica e Fisica, Università di Camerino, via Madonna delle Carceri, I-62032 Camerino, Italy. Communicated by J. ?yst? |
| Keywords: | PACS 21 10 Hw Spin parity and isobaric spin – 21 10 Re Collective levels – 27 60 +j 90 ⩽ A ⩽ 149 |
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